Thomas W. Powell
Thomas W. Powell: 10% owner at Powell Industries. What Thomas W. Powell holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Powell Industries (POWL)
Thomas W. Powell holds 2.2M Powell Industries shares (6.0% of the company), worth about $434.1M at the last price, according to the Form 4 of Jun 25, 2026.
- Shares held: 1.6M (4.5%), $321.2M — Held through companies or funds (Held in TWP Holdings).
- Shares held: 564,736 (1.6%), $111.7M — Held in their own name.
- Shares held: 6,000 (0.02%), $1.2M — Held through trusts (By KRP 2025 Revocable Trust).
Declarations
- Powell Industries (POWL) — Form 4 of Jun 25, 2026: open-market sale of 33,958 at $294.49; 2.2M shares after 0001219199-26-000005
- Powell Industries (POWL) — Form 4 of Mar 19, 2026: open-market sale of 149,334 at $167.41; 6.7M shares after 0001219199-26-000004
- Powell Industries (POWL) — Form 4 of Mar 11, 2026: gift of 6,000; gift of 6,000; 6.8M shares after 0001219199-26-000003
- Powell Industries (POWL) — Form 4 of Feb 25, 2026: open-market sale of 1,200 at $186.77; open-market sale of 1,236 at $187.15; 6.8M shares after 0001219199-26-000002
- Powell Industries (POWL) — Form 4 of Feb 13, 2026: open-market sale of 23,928 at $197.42; open-market sale of 6,927 at $197.86; 6.8M shares after 0001219199-26-000001
- Powell Industries (POWL) — Form 4 of Nov 8, 2024: open-market sale of 3,801 at $114.40; open-market sale of 6,369 at $115.00; 6.9M shares after 0001219199-24-000013
- Powell Industries (POWL) — Form 4 of Oct 11, 2024: open-market sale of 7,353 at $87.37; 6.9M shares after 0001219199-24-000012
- Powell Industries (POWL) — Form 4 of Oct 9, 2024: open-market sale of 1,518 at $84.73; open-market sale of 19,794 at $85.02; 7.0M shares after 0001219199-24-000011
- Powell Industries (POWL) — Form 4 of Oct 8, 2024: open-market sale of 16,812 at $81.83; open-market sale of 7,524 at $82.11; 7.0M shares after 0001219199-24-000009
- Powell Industries (POWL) — Form 4 of Sep 25, 2024: open-market sale of 18,471 at $70.56; open-market sale of 23,682 at $70.79; 7.1M shares after 0001219199-24-000008
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.